GET /ctdl/r/ROOMNAME/msgs.new JSON array of message list in room (new messages)
GET /ctdl/r/ROOMNAME/MSGNUM Retrieve the content of an individual message (message headers are HTTP headers)
PUT /ctdl/r/ROOMNAME/xxx DAV operation to insert a new message into a room
+ (The returned ETag will be the new message number)
GET /ctdl/r/ROOMNAME/MSGNUM/json Retrieve an individual message in a room, encapsulated in JSON
GET /ctdl/c/info Returns a JSON representation of the output of an INFO server command
POST /ctdl/a/login Send it a your credentials and it will log you in